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22% Co/CeO2-ZrO2-catalyzed Synthesis of 1, 2, 3, 4-tetrahydro-2- pyrimidinones and -thiones

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Three-component condensation reaction of an aldehyde with β-ketoester and urea or thiourea in acetonitrile to afford the dihydropyrimidinones and thions (DHPMs) in the presence of 22% Co/CeO2-ZrO2 nano fine particle as a novel, reusable and green catalyst is reported. Utilizing of 22% Co/CeO2-ZrO2 nano fine particle catalyst also offers a cleaner process in that it can be reused and will not bring additional pollutants into the “environment” that is agreeable green chemistry point of view.
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Keywords: 22% Co/CeO2-ZrO2; 4-dihydropyrimidin-2; HIV; aldehydes; anti-inflammatory; antihypertensive; calcium; dihydropyrimidinones; neuropeptide; thiones

Document Type: Research Article

Publication date: October 1, 2012

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  • Letters in Organic Chemistry publishes original letters on all areas of organic chemistry including synthesis, bioorganic, medicinal, natural products, organometallic, supramolecular, molecular recognition and physical organic chemistry. The emphasis is placed on publishing quality papers very rapidly. Letters are processed rapidly and take full advantage of the Internet technology both for the submission and the review of the manuscripts.
    The journal is essential reading for all organic chemists both in academia and industry.
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